#include<bits/stdc++.h> 
using namespace std;

int main() {
  int n;
  scanf("%d", &n);
  if (n % 2 == 0) {
    for (int i = 1; i <= n / 2 - 1; ++i)
      putchar('-');
    printf("==");
    for (int i = 1; i <= n / 2 - 1; ++i)
      putchar('-');
  } else {
    for (int i = 1; i <= n / 2; ++i)
      putchar('-');
    putchar('=');
    for (int i = 1; i <= n / 2; ++i)
      putchar('-');
  }
  return 0;
}